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generateCategoricalChart.tsx
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generateCategoricalChart.tsx
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import React, { cloneElement, Component, ReactElement } from 'react';
import isNil from 'lodash/isNil';
import isFunction from 'lodash/isFunction';
import range from 'lodash/range';
import get from 'lodash/get';
import sortBy from 'lodash/sortBy';
import throttle from 'lodash/throttle';
import clsx from 'clsx';
// eslint-disable-next-line no-restricted-imports
import type { DebouncedFunc } from 'lodash';
import invariant from 'tiny-invariant';
import { Surface } from '../container/Surface';
import { Tooltip } from '../component/Tooltip';
import { Legend } from '../component/Legend';
import {
filterProps,
findAllByType,
findChildByType,
getDisplayName,
getReactEventByType,
isChildrenEqual,
parseChildIndex,
renderByOrder,
validateWidthHeight,
} from '../util/ReactUtils';
import { Brush } from '../cartesian/Brush';
import { getOffset } from '../util/DOMUtils';
import { findEntryInArray, getAnyElementOfObject, hasDuplicate, isNumber, uniqueId } from '../util/DataUtils';
import {
appendOffsetOfLegend,
AxisStackGroups,
BarPosition,
calculateActiveTickIndex,
combineEventHandlers,
getBandSizeOfAxis,
getBarPosition,
getBarSizeList,
getDomainOfDataByKey,
getDomainOfItemsWithSameAxis,
getDomainOfStackGroups,
getStackedDataOfItem,
getStackGroupsByAxisId,
getTicksOfAxis,
getTooltipItem,
isAxisLTR,
isCategoricalAxis,
parseDomainOfCategoryAxis,
parseErrorBarsOfAxis,
parseSpecifiedDomain,
} from '../util/ChartUtils';
import { detectReferenceElementsDomain } from '../util/DetectReferenceElementsDomain';
import { inRangeOfSector, polarToCartesian } from '../util/PolarUtils';
import { shallowEqual } from '../util/ShallowEqual';
import { eventCenter, SYNC_EVENT } from '../util/Events';
import {
adaptEventHandlers,
AxisType,
BaseAxisProps,
CartesianViewBox,
CategoricalChartOptions,
ChartCoordinate,
ChartOffset,
Coordinate,
DataKey,
LayoutType,
Margin,
MouseInfo,
RangeObj,
StackOffsetType,
TickItem,
TooltipData,
TooltipEventType,
XAxisMap,
YAxisMap,
} from '../util/types';
import { AccessibilityManager } from './AccessibilityManager';
import { isDomainSpecifiedByUser } from '../util/isDomainSpecifiedByUser';
import { StepRatioControl } from '../util/scale/getNiceTickValues';
import { ChartLayoutContextProvider } from '../context/chartLayoutContext';
import { AxisMap, CategoricalChartState } from './types';
import { AccessibilityContextProvider } from '../context/accessibilityContext';
import { BoundingBox } from '../util/useGetBoundingClientRect';
import { LegendBoundingBoxContext } from '../context/legendBoundingBoxContext';
import { XAxisProps, YAxisProps, ZAxisProps } from '../index';
import { AngleAxisProps, RadiusAxisProps } from '../polar/types';
import { ChartDataContextProvider } from '../context/chartDataContext';
import { BrushStartEndIndex, BrushUpdateDispatchContext } from '../context/brushUpdateContext';
import { ClipPath } from '../container/ClipPath';
import { ChartOptions } from '../state/optionsSlice';
import { RechartsStoreProvider } from '../state/RechartsStoreProvider';
import { CursorPortalContext, TooltipPortalContext } from '../context/tooltipPortalContext';
export interface MousePointer {
pageX: number;
pageY: number;
}
const ORIENT_MAP = {
xAxis: ['bottom', 'top'],
yAxis: ['left', 'right'],
};
const FULL_WIDTH_AND_HEIGHT = { width: '100%', height: '100%' };
const originCoordinate: Coordinate = { x: 0, y: 0 };
/**
* This function exists as a temporary workaround.
*
* Why? generateCategoricalChart does not render `{children}` directly;
* instead it passes them through `renderByOrder` function which reads their handlers.
*
* So, this is a handler that does nothing.
* Once we get rid of `renderByOrder` and switch to JSX only, we can get rid of this handler too.
*
* @param {JSX} element as is in JSX
* @returns {JSX} the same element
*/
function renderAsIs(element: React.ReactElement): React.ReactElement {
return element;
}
const calculateTooltipPos = (rangeObj: RangeObj, layout: LayoutType): number | undefined => {
if (layout === 'horizontal') {
return rangeObj.x;
}
if (layout === 'vertical') {
return rangeObj.y;
}
if (layout === 'centric') {
return rangeObj.angle;
}
return rangeObj.radius;
};
const getActiveCoordinate = (
layout: LayoutType,
tooltipTicks: TickItem[],
activeIndex: number,
rangeObj: RangeObj,
): ChartCoordinate => {
const entry = tooltipTicks.find(tick => tick && tick.index === activeIndex);
if (entry) {
if (layout === 'horizontal') {
return { x: entry.coordinate, y: rangeObj.y };
}
if (layout === 'vertical') {
return { x: rangeObj.x, y: entry.coordinate };
}
if (layout === 'centric') {
const angle = entry.coordinate;
const { radius } = rangeObj;
return {
...rangeObj,
...polarToCartesian(rangeObj.cx, rangeObj.cy, radius, angle),
angle,
radius,
};
}
const radius = entry.coordinate;
const { angle } = rangeObj;
return {
...rangeObj,
...polarToCartesian(rangeObj.cx, rangeObj.cy, radius, angle),
angle,
radius,
};
}
return originCoordinate;
};
const getDisplayedData = (
data: any[],
{
graphicalItems,
dataStartIndex,
dataEndIndex,
}: Pick<CategoricalChartState, 'graphicalItems' | 'dataStartIndex' | 'dataEndIndex'>,
): any[] => {
const itemsData = (graphicalItems ?? []).reduce<any[]>((result, child) => {
const itemData = child.props.data;
if (itemData && itemData.length) {
return [...result, ...itemData];
}
return result;
}, []);
if (itemsData.length > 0) {
return itemsData;
}
if (data && data.length && isNumber(dataStartIndex) && isNumber(dataEndIndex)) {
return data.slice(dataStartIndex, dataEndIndex + 1);
}
return [];
};
function getDefaultDomainByAxisType(axisType: 'number' | string) {
return axisType === 'number' ? [0, 'auto'] : undefined;
}
/**
* Get the content to be displayed in the tooltip
* @param {Object} state Current state
* @param {Array} chartData The data defined in chart
* @param {Number} activeIndex Active index of data
* @param {String} activeLabel Active label of data
* @return {Array} The content of tooltip
*/
const getTooltipContent = (
state: CategoricalChartState,
chartData: any[],
activeIndex: number,
activeLabel?: string,
): any[] => {
const { graphicalItems, tooltipAxis } = state;
const displayedData = getDisplayedData(chartData, state);
if (activeIndex < 0 || !graphicalItems || !graphicalItems.length || activeIndex >= displayedData.length) {
return null;
}
// get data by activeIndex when the axis don't allow duplicated category
return graphicalItems.reduce((result, child) => {
/**
* Fixes: https://github.com/recharts/recharts/issues/3669
* Defaulting to chartData below to fix an edge case where the tooltip does not include data from all charts
* when a separate dataset is passed to chart prop data and specified on Line/Area/etc prop data
*/
let data = child.props.data ?? chartData;
if (data && state.dataStartIndex + state.dataEndIndex !== 0) {
data = data.slice(state.dataStartIndex, state.dataEndIndex + 1);
}
let payload;
if (tooltipAxis.dataKey && !tooltipAxis.allowDuplicatedCategory) {
// graphic child has data props
const entries = data === undefined ? displayedData : data;
payload = findEntryInArray(entries, tooltipAxis.dataKey, activeLabel);
} else {
payload = (data && data[activeIndex]) || displayedData[activeIndex];
}
if (!payload) {
return result;
}
// @ts-expect-error missing types
return [...result, getTooltipItem(child, payload)];
}, []);
};
/**
* Returns tooltip data based on a mouse position (as a parameter or in state)
* @param state current state
* @param chartData the data defined in chart
* @param layout The layout type of chart
* @param rangeObj coordinates
* @return Tooltip data
*/
const getTooltipData = (
state: CategoricalChartState,
chartData: any[],
layout: LayoutType,
rangeObj?: RangeObj,
): TooltipData | null => {
const rangeData: RangeObj = rangeObj || { x: state.chartX, y: state.chartY };
const pos: number | undefined = calculateTooltipPos(rangeData, layout);
const { orderedTooltipTicks: ticks, tooltipAxis: axis, tooltipTicks } = state;
const activeIndex = calculateActiveTickIndex(pos, ticks, tooltipTicks, axis);
if (activeIndex >= 0 && tooltipTicks) {
const activeLabel: TickItem['value'] | undefined = tooltipTicks[activeIndex] && tooltipTicks[activeIndex].value;
const activePayload = getTooltipContent(state, chartData, activeIndex, activeLabel);
const activeCoordinate = getActiveCoordinate(layout, ticks, activeIndex, rangeData);
return {
activeTooltipIndex: activeIndex,
activeLabel,
activePayload,
activeCoordinate,
};
}
return null;
};
/**
* Get the configuration of axis by the options of axis instance
* @param {Object} props Latest props
* @param {Array} axes The instance of axes
* @param {Array} graphicalItems The instances of item
* @param {String} axisType The type of axis, xAxis - x-axis, yAxis - y-axis
* @param {String} axisIdKey The unique id of an axis
* @param {Object} stackGroups The items grouped by axisId and stackId
* @param {Number} dataStartIndex The start index of the data series when a brush is applied
* @param {Number} dataEndIndex The end index of the data series when a brush is applied
* @return {Object} Configuration
*/
export const getAxisMapByAxes = (
props: CategoricalChartProps,
{
axes,
graphicalItems,
axisType,
axisIdKey,
stackGroups,
dataStartIndex,
dataEndIndex,
}: {
axes: ReadonlyArray<ReactElement>;
graphicalItems: ReadonlyArray<ReactElement>;
axisType: AxisType;
axisIdKey: string;
stackGroups: AxisStackGroups;
dataStartIndex: number;
dataEndIndex: number;
},
): AxisMap => {
const { layout, children, stackOffset } = props;
const isCategorical = isCategoricalAxis(layout, axisType);
// Eliminate duplicated axes
return axes.reduce((result: AxisMap, child: ReactElement): AxisMap => {
const { type, dataKey, allowDataOverflow, allowDuplicatedCategory, scale, ticks, includeHidden } = child.props;
const axisId = child.props[axisIdKey];
if (result[axisId]) {
return result;
}
const displayedData = getDisplayedData(props.data, {
graphicalItems: graphicalItems.filter(item => item.props[axisIdKey] === axisId),
dataStartIndex,
dataEndIndex,
});
const len = displayedData.length;
let domain, duplicateDomain, categoricalDomain;
/*
* This is a hack to short-circuit the domain creation here to enhance performance.
* Usually, the data is used to determine the domain, but when the user specifies
* a domain upfront (via props), there is no need to calculate the domain start and end,
* which is very expensive for a larger amount of data.
* The only thing that would prohibit short-circuiting is when the user doesn't allow data overflow,
* because the axis is supposed to ignore the specified domain that way.
*/
if (isDomainSpecifiedByUser(child.props.domain, allowDataOverflow, type)) {
domain = parseSpecifiedDomain(child.props.domain, null, allowDataOverflow);
/* The chart can be categorical and have the domain specified in numbers
* we still need to calculate the categorical domain
* TODO: refactor this more
*/
if (isCategorical && (type === 'number' || scale !== 'auto')) {
categoricalDomain = getDomainOfDataByKey(displayedData, dataKey, 'category');
}
}
// if the domain is defaulted we need this for `originalDomain` as well
const defaultDomain = getDefaultDomainByAxisType(type);
// we didn't create the domain from user's props above, so we need to calculate it
if (!domain || domain.length === 0) {
const childDomain = child.props.domain ?? defaultDomain;
if (dataKey) {
// has dataKey in <Axis />
domain = getDomainOfDataByKey(displayedData, dataKey, type);
if (type === 'category' && isCategorical) {
// the field type is category data and this axis is categorical axis
const duplicate = hasDuplicate(domain);
if (allowDuplicatedCategory && duplicate) {
duplicateDomain = domain;
// When category axis has duplicated text, serial numbers are used to generate scale
domain = range(0, len);
} else if (!allowDuplicatedCategory) {
// remove duplicated category
domain = parseDomainOfCategoryAxis(childDomain, domain, child).reduce(
(finalDomain: any, entry: any) =>
finalDomain.indexOf(entry) >= 0 ? finalDomain : [...finalDomain, entry],
[],
);
}
} else if (type === 'category') {
// the field type is category data and this axis is numerical axis
if (!allowDuplicatedCategory) {
domain = parseDomainOfCategoryAxis(childDomain, domain, child).reduce(
(finalDomain: any, entry: any) =>
finalDomain.indexOf(entry) >= 0 || entry === '' || isNil(entry) ? finalDomain : [...finalDomain, entry],
[],
);
} else {
// eliminate undefined or null or empty string
domain = domain.filter((entry: any) => entry !== '' && !isNil(entry));
}
} else if (type === 'number') {
// the field type is numerical
const errorBarsDomain = parseErrorBarsOfAxis(
displayedData,
graphicalItems.filter(item => item.props[axisIdKey] === axisId && (includeHidden || !item.props.hide)),
dataKey,
axisType,
layout,
);
if (errorBarsDomain) {
domain = errorBarsDomain;
}
}
if (isCategorical && (type === 'number' || scale !== 'auto')) {
categoricalDomain = getDomainOfDataByKey(displayedData, dataKey, 'category');
}
} else if (isCategorical) {
// the axis is a categorical axis
domain = range(0, len);
} else if (stackGroups && stackGroups[axisId] && stackGroups[axisId].hasStack && type === 'number') {
// when stackOffset is 'expand', the domain may be calculated as [0, 1.000000000002]
domain =
stackOffset === 'expand'
? [0, 1]
: getDomainOfStackGroups(stackGroups[axisId].stackGroups, dataStartIndex, dataEndIndex);
} else {
domain = getDomainOfItemsWithSameAxis(
displayedData,
graphicalItems.filter(item => item.props[axisIdKey] === axisId && (includeHidden || !item.props.hide)),
type,
layout,
true,
);
}
if (type === 'number') {
// To detect wether there is any reference lines whose props ifOverflow is extendDomain
domain = detectReferenceElementsDomain(children, domain, axisId, axisType, ticks);
if (childDomain) {
domain = parseSpecifiedDomain(childDomain, domain, allowDataOverflow);
}
} else if (type === 'category' && childDomain) {
const axisDomain = childDomain;
const isDomainValid = domain.every((entry: string | number) => axisDomain.indexOf(entry) >= 0);
if (isDomainValid) {
domain = axisDomain;
}
}
}
return {
...result,
[axisId]: {
...child.props,
axisType,
domain,
categoricalDomain,
duplicateDomain,
originalDomain: child.props.domain ?? defaultDomain,
isCategorical,
layout,
},
};
}, {});
};
/**
* Get the configuration of axis by the options of item,
* this kind of axis does not display in chart
* @param {Object} props Latest props
* @param {Array} graphicalItems The instances of item
* @param {ReactElement} Axis Axis Component
* @param {String} axisType The type of axis, xAxis - x-axis, yAxis - y-axis
* @param {String} axisIdKey The unique id of an axis
* @param {Object} stackGroups The items grouped by axisId and stackId
* @param {Number} dataStartIndex The start index of the data series when a brush is applied
* @param {Number} dataEndIndex The end index of the data series when a brush is applied
* @return {Object} Configuration
*/
const getAxisMapByItems = (
props: CategoricalChartProps,
{
graphicalItems,
Axis,
axisType,
axisIdKey,
stackGroups,
dataStartIndex,
dataEndIndex,
}: {
axisIdKey: string;
axisType?: AxisType;
Axis?: React.ComponentType<BaseAxisProps>;
graphicalItems: ReadonlyArray<ReactElement>;
stackGroups: AxisStackGroups;
dataStartIndex: number;
dataEndIndex: number;
},
): AxisMap => {
const { layout, children } = props;
const displayedData = getDisplayedData(props.data, {
graphicalItems,
dataStartIndex,
dataEndIndex,
});
const len = displayedData.length;
const isCategorical = isCategoricalAxis(layout, axisType);
let index = -1;
// The default type of x-axis is category axis,
// The default contents of x-axis is the serial numbers of data
// The default type of y-axis is number axis
// The default contents of y-axis is the domain of data
return graphicalItems.reduce((result: AxisMap, child: ReactElement): AxisMap => {
const axisId = child.props[axisIdKey];
const originalDomain = getDefaultDomainByAxisType('number');
if (!result[axisId]) {
index++;
let domain;
if (isCategorical) {
domain = range(0, len);
} else if (stackGroups && stackGroups[axisId] && stackGroups[axisId].hasStack) {
domain = getDomainOfStackGroups(stackGroups[axisId].stackGroups, dataStartIndex, dataEndIndex);
domain = detectReferenceElementsDomain(children, domain, axisId, axisType);
} else {
domain = parseSpecifiedDomain(
originalDomain,
getDomainOfItemsWithSameAxis(
displayedData,
graphicalItems.filter((item: ReactElement) => item.props[axisIdKey] === axisId && !item.props.hide),
'number',
layout,
),
Axis.defaultProps.allowDataOverflow,
);
domain = detectReferenceElementsDomain(children, domain, axisId, axisType);
}
return {
...result,
[axisId]: {
axisType,
...Axis.defaultProps,
hide: true,
orientation: get(ORIENT_MAP, `${axisType}.${index % 2}`, null),
domain,
originalDomain,
isCategorical,
layout,
// specify scale when no Axis
// scale: isCategorical ? 'band' : 'linear',
},
};
}
return result;
}, {});
};
/**
* Get the configuration of all x-axis or y-axis
* @param {Object} props Latest props
* @param {String} axisType The type of axis
* @param {React.ComponentType} [AxisComp] Axis Component
* @param {Array} graphicalItems The instances of item
* @param {Object} stackGroups The items grouped by axisId and stackId
* @param {Number} dataStartIndex The start index of the data series when a brush is applied
* @param {Number} dataEndIndex The end index of the data series when a brush is applied
* @return {Object} Configuration
*/
const getAxisMap = (
props: CategoricalChartProps,
{
axisType = 'xAxis',
AxisComp,
graphicalItems,
stackGroups,
dataStartIndex,
dataEndIndex,
}: {
axisType?: AxisType;
AxisComp?: React.ComponentType;
graphicalItems: ReadonlyArray<ReactElement>;
stackGroups: AxisStackGroups;
dataStartIndex: number;
dataEndIndex: number;
},
): AxisMap => {
const { children } = props;
const axisIdKey = `${axisType}Id`;
// Get all the instance of Axis
const axes = findAllByType(children, AxisComp);
let axisMap: AxisMap = {};
if (axes && axes.length) {
axisMap = getAxisMapByAxes(props, {
axes,
graphicalItems,
axisType,
axisIdKey,
stackGroups,
dataStartIndex,
dataEndIndex,
});
} else if (graphicalItems && graphicalItems.length) {
axisMap = getAxisMapByItems(props, {
Axis: AxisComp,
graphicalItems,
axisType,
axisIdKey,
stackGroups,
dataStartIndex,
dataEndIndex,
});
}
return axisMap;
};
const tooltipTicksGenerator = (axisMap: AxisMap) => {
const axis: BaseAxisProps = getAnyElementOfObject(axisMap);
const tooltipTicks = getTicksOfAxis(axis, false, true);
return {
tooltipTicks,
orderedTooltipTicks: sortBy(tooltipTicks, o => o.coordinate),
tooltipAxis: axis,
tooltipAxisBandSize: getBandSizeOfAxis(axis, tooltipTicks),
};
};
/**
* Returns default, reset state for the categorical chart.
* @param {Object} props Props object to use when creating the default state
* @return {Object} Whole new state
*/
export const createDefaultState = (props: CategoricalChartProps): CategoricalChartState => {
const { children, defaultShowTooltip } = props;
const brushItem = findChildByType(children, Brush);
let startIndex = 0;
let endIndex = 0;
if (props.data && props.data.length !== 0) {
endIndex = props.data.length - 1;
}
if (brushItem && brushItem.props) {
if (brushItem.props.startIndex >= 0) {
startIndex = brushItem.props.startIndex;
}
if (brushItem.props.endIndex >= 0) {
endIndex = brushItem.props.endIndex;
}
}
return {
chartX: 0,
chartY: 0,
dataStartIndex: startIndex,
dataEndIndex: endIndex,
activeTooltipIndex: -1,
isTooltipActive: Boolean(defaultShowTooltip),
};
};
const hasGraphicalBarItem = (graphicalItems: ReadonlyArray<ReactElement>): boolean => {
if (!graphicalItems || !graphicalItems.length) {
return false;
}
return graphicalItems.some(item => {
const name = getDisplayName(item && item.type);
return name && name.indexOf('Bar') >= 0;
});
};
const getAxisNameByLayout = (layout: LayoutType) => {
if (layout === 'horizontal') {
return { numericAxisName: 'yAxis', cateAxisName: 'xAxis' } as const;
}
if (layout === 'vertical') {
return { numericAxisName: 'xAxis', cateAxisName: 'yAxis' } as const;
}
if (layout === 'centric') {
return { numericAxisName: 'radiusAxis', cateAxisName: 'angleAxis' } as const;
}
return { numericAxisName: 'angleAxis', cateAxisName: 'radiusAxis' } as const;
};
/**
* Calculate the offset of main part in the svg element
* @param {Object} params.props Latest props
* @param {Array} params.graphicalItems The instances of item
* @param {Object} params.xAxisMap The configuration of x-axis
* @param {Object} params.yAxisMap The configuration of y-axis
* @param {Object} prevLegendBBox The boundary box of legend
* @return {Object} The offset of main part in the svg element
*/
const calculateOffset = (
{
props,
xAxisMap = {},
yAxisMap = {},
}: {
props: CategoricalChartProps;
xAxisMap?: XAxisMap;
yAxisMap?: YAxisMap;
},
prevLegendBBox?: BoundingBox | null,
): ChartOffset => {
const { width, height, children } = props;
const margin = props.margin || {};
const brushItem = findChildByType(children, Brush);
const legendItem = findChildByType(children, Legend);
const offsetH = Object.keys(yAxisMap).reduce(
(result, id) => {
const entry = yAxisMap[id];
const { orientation } = entry;
if (!entry.mirror && !entry.hide) {
return { ...result, [orientation]: result[orientation] + entry.width };
}
return result;
},
{ left: margin.left || 0, right: margin.right || 0 },
);
const offsetV = Object.keys(xAxisMap).reduce(
(result, id) => {
const entry = xAxisMap[id];
const { orientation } = entry;
if (!entry.mirror && !entry.hide) {
return { ...result, [orientation]: get(result, `${orientation}`) + entry.height };
}
return result;
},
{ top: margin.top || 0, bottom: margin.bottom || 0 },
);
let offset: ChartOffset = { ...offsetV, ...offsetH };
const brushBottom = offset.bottom;
if (brushItem) {
offset.bottom += brushItem.props.height || Brush.defaultProps.height;
}
if (legendItem && prevLegendBBox) {
// @ts-expect-error margin is optional in props but required in appendOffsetOfLegend
offset = appendOffsetOfLegend(offset, props, prevLegendBBox);
}
const offsetWidth = width - offset.left - offset.right;
const offsetHeight = height - offset.top - offset.bottom;
return {
brushBottom,
...offset,
// never return negative values for height and width
width: Math.max(offsetWidth, 0),
height: Math.max(offsetHeight, 0),
};
};
type AxisMapMap = {
[axisMapId: string]: AxisMap;
};
export type CategoricalChartFunc = (nextState: CategoricalChartState, event: any) => void;
export interface CategoricalChartProps {
syncId?: number | string;
syncMethod?: 'index' | 'value' | Function;
compact?: boolean;
width?: number;
height?: number;
dataKey?: DataKey<any>;
data?: any[];
layout?: LayoutType;
stackOffset?: StackOffsetType;
stepRatioControl?: StepRatioControl;
throttleDelay?: number;
margin?: Margin;
barCategoryGap?: number | string;
barGap?: number | string;
barSize?: number | string;
maxBarSize?: number;
style?: any;
className?: string;
children?: any;
defaultShowTooltip?: boolean;
onClick?: CategoricalChartFunc;
onMouseLeave?: CategoricalChartFunc;
onMouseEnter?: CategoricalChartFunc;
onMouseMove?: CategoricalChartFunc;
onMouseDown?: CategoricalChartFunc;
onMouseUp?: CategoricalChartFunc;
reverseStackOrder?: boolean;
id?: string;
startAngle?: number;
endAngle?: number;
cx?: number | string;
cy?: number | string;
innerRadius?: number | string;
outerRadius?: number | string;
title?: string;
desc?: string;
accessibilityLayer?: boolean;
role?: string;
tabIndex?: number;
}
type AxisObj = {
xAxis?: XAxisProps;
xAxisTicks?: Array<TickItem>;
yAxis?: YAxisProps;
yAxisTicks?: Array<TickItem>;
zAxis?: ZAxisProps;
zAxisTicks?: Array<TickItem>;
angleAxis?: AngleAxisProps;
angleAxisTicks?: Array<TickItem>;
radiusAxis?: RadiusAxisProps;
radiusAxisTicks?: Array<TickItem>;
};
// Determine the size of the axis, used for calculation of relative bar sizes
const getCartesianAxisSize = (axisObj: AxisObj, axisName: 'xAxis' | 'yAxis' | 'angleAxis' | 'radiusAxis') => {
if (axisName === 'xAxis') {
return axisObj[axisName].width;
}
if (axisName === 'yAxis') {
return axisObj[axisName].height;
}
// This is only supported for Bar charts (i.e. charts with cartesian axes), so we should never get here
return undefined;
};
export const generateCategoricalChart = ({
chartName,
GraphicalChild,
defaultTooltipEventType = 'axis',
validateTooltipEventTypes = ['axis'],
axisComponents,
formatAxisMap,
defaultProps,
}: CategoricalChartOptions) => {
const getFormatItems = (props: CategoricalChartProps, currentState: CategoricalChartState): any[] => {
const { graphicalItems, stackGroups, offset, updateId, dataStartIndex, dataEndIndex } = currentState;
const { barSize, layout, barGap, barCategoryGap, maxBarSize: globalMaxBarSize } = props;
const { numericAxisName, cateAxisName } = getAxisNameByLayout(layout);
const hasBar = hasGraphicalBarItem(graphicalItems);
const formattedItems = [] as any[];
graphicalItems.forEach((item: ReactElement, index: number) => {
const displayedData = getDisplayedData(props.data, { graphicalItems: [item], dataStartIndex, dataEndIndex });
const { dataKey, maxBarSize: childMaxBarSize } = item.props;
// axisId of the numerical axis
const numericAxisId = item.props[`${numericAxisName}Id`];
// axisId of the categorical axis
const cateAxisId = item.props[`${cateAxisName}Id`];
const axisObjInitialValue: AxisObj = {};
const axisObj: AxisObj = axisComponents.reduce((result: AxisObj, entry: BaseAxisProps): AxisObj => {
// map of axisId to axis for a specific axis type
const axisMap: AxisMap | undefined = currentState[`${entry.axisType}Map` as const];
// axisId of axis we are currently computing
const id: string = item.props[`${entry.axisType}Id`];
/**
* tell the user in dev mode that their configuration is incorrect if we cannot find a match between
* axisId on the chart and axisId on the axis. zAxis does not get passed in the map for ComposedChart,
* leave it out of the check for now.
*/
invariant(
(axisMap && axisMap[id]) || entry.axisType === 'zAxis',
`Specifying a(n) ${entry.axisType}Id requires a corresponding ${
entry.axisType
// @ts-expect-error we should stop reading data from ReactElements
}Id on the targeted graphical component ${item?.type?.displayName ?? ''}`,
);
// the axis we are currently formatting
const axis = axisMap[id];
return {
...result,
[entry.axisType]: axis,
[`${entry.axisType}Ticks`]: getTicksOfAxis(axis),
};
}, axisObjInitialValue);
const cateAxis = axisObj[cateAxisName];
const cateTicks = axisObj[`${cateAxisName}Ticks` as const];
const stackedData =
stackGroups &&
stackGroups[numericAxisId] &&
stackGroups[numericAxisId].hasStack &&
getStackedDataOfItem(item, stackGroups[numericAxisId].stackGroups);
const itemIsBar = getDisplayName(item.type).indexOf('Bar') >= 0;
const bandSize = getBandSizeOfAxis(cateAxis, cateTicks);
let barPosition: ReadonlyArray<BarPosition> = [];
const sizeList =
hasBar && getBarSizeList({ barSize, stackGroups, totalSize: getCartesianAxisSize(axisObj, cateAxisName) });
if (itemIsBar) {
// If it is bar, calculate the position of bar
const maxBarSize: number = isNil(childMaxBarSize) ? globalMaxBarSize : childMaxBarSize;
const barBandSize: number = getBandSizeOfAxis(cateAxis, cateTicks, true) ?? maxBarSize ?? 0;
barPosition = getBarPosition({
barGap,
barCategoryGap,
bandSize: barBandSize !== bandSize ? barBandSize : bandSize,
sizeList: sizeList[cateAxisId],
maxBarSize,
});
if (barBandSize !== bandSize) {
barPosition = barPosition.map(pos => ({
...pos,
position: { ...pos.position, offset: pos.position.offset - barBandSize / 2 },
}));
}
}
// @ts-expect-error we should stop reading data from ReactElements
const composedFn = item && item.type && item.type.getComposedData;
if (composedFn) {
formattedItems.push({
props: {
...composedFn({
...axisObj,
displayedData,
props,
dataKey,
item,
bandSize,
barPosition,
offset,
stackedData,
layout,
dataStartIndex,
dataEndIndex,
}),
key: item.key || `item-${index}`,
[numericAxisName]: axisObj[numericAxisName],
[cateAxisName]: axisObj[cateAxisName],
animationId: updateId,
},
childIndex: parseChildIndex(item, props.children),
item,
});
}
});
return formattedItems;
};
/**
* The AxisMaps are expensive to render on large data sets
* so provide the ability to store them in state and only update them when necessary
* they are dependent upon the start and end index of
* the brush so it's important that this method is called _after_
* the state is updated with any new start/end indices
*
* @param {Object} props The props object to be used for updating the axismaps
* dataStartIndex: The start index of the data series when a brush is applied
* dataEndIndex: The end index of the data series when a brush is applied
* updateId: The update id
* @param {Object} prevState Prev state